Question

what is the area of the trapezoid? 9 mm 10 mm 8 mm 10 mm 21 mm square millimeters

Explanation:

Step1: Recall the formula for the area of a trapezoid

The formula for the area of a trapezoid is \(A=\frac{(b_1 + b_2)h}{2}\), where \(b_1\) and \(b_2\) are the lengths of the parallel sides and \(h\) is the height.

Step2: Identify the values of \(b_1\), \(b_2\), and \(h\)

From the problem, \(b_1 = 9\) mm, \(b_2=21\) mm, and \(h = 8\) mm.

Step3: Substitute the values into the formula

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Step4: Calculate the result

\(A = 120\)

Answer:

\(120\)